@inproceedings{ijcai2017p138, title = {On Querying Incomplete Information in Databases under Bag Semantics}, author = {Console, Marco and Guagliardo, Paolo and Libkin, Leonid}, booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, {IJCAI-17}}, publisher = {International Joint Conferences on Artificial Intelligence Organization}, editor = {Carles Sierra}, pages = {993--999}, year = {2017}, month = {8}, note = {Main track}, doi = {10.24963/ijcai.2017/138}, url = {https://doi.org/10.24963/ijcai.2017/138}, }